Montgomeryville, PA Weather

Montgomery County10:10 PM EDT40.25°N, 75.24°WElevation 456 ft
Frost Advisory from 1:00 AM Mon until 9:00 AM Mon

Current conditions

Mostly Clear
47°
Mostly Clear
Feels like 47°
High 67° Monday·Low 39° tonight
WindCalm
Humidity96%
Dew point46°
Cloud cover7%
Sunrise7:23 AM
Sunset6:08 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day

  • Sunday Night

    Clear, with a low around 39.

  • Monday

    Sunny, with a high near 67.

  • Monday Night

    Mostly clear, with a low around 45.

National Weather Service forecast updated 4 days ago.

Hourly

Hourly forecast
  1. Now Mostly Clear 47°
  2. 11 PM Mostly Clear 45°
  3. Mon12 AM Mostly Clear 44°
  4. 1 AM Mostly Clear 43°
  5. 2 AM Clear 43°
  6. 3 AM Clear 42°
  7. 4 AM Clear 42°
  8. 5 AM Clear 41°
  9. 6 AM Sunny 40°
  10. 7 AM Sunny 40°
  11. 8 AM Sunny 41°
  12. 9 AM Sunny 46°
  13. 10 AM Sunny 51°
  14. 11 AM Sunny 57°
  15. 12 PM Sunny 61°
  16. 1 PM Sunny 63°
  17. 2 PM Sunny 65°
  18. 3 PM Sunny 66°
  19. 4 PM Sunny 67°
  20. 5 PM Sunny 66°
  21. 6 PM Mostly Clear 63°
  22. 7 PM Mostly Clear 60°
  23. 8 PM Mostly Clear 56°
  24. 9 PM Mostly Clear 53°

10-day forecast

Details
  1. TonightOct 21 Mostly Clear Mostly Clear39°
  2. ThuOct 22 Sunny Sunny40°66°
  3. FriOct 23 Sunny Sunny34°60°
  4. SatOct 24 Patchy Frost then Sunny Patchy Frost then Sunny35°61°
  5. TodayOct 25 Sunny Sunny39°63°
  6. MonOct 26 Sunny Sunny45°67°
  7. TueOct 27 Mostly Sunny Mostly Sunny42°65°
  8. WedOct 28 Mostly Sunny Mostly Sunny61°
  9. ThuOct 29 Sunny Sunny45°61°
  10. FriOct 30 Sunny Sunny42°62°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news near Montgomeryville

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Air quality

64
Moderate
Fine particles (PM2.5)

Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Forecast

  • SunModerate (65)
  • MonGood (50)
  • TueGood

Philadelphia, PA reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:23 AM
Sunset 6:08 PM
Daylight 10 h 45 min (−2 min 26 s tomorrow)
Full Moon · 100% lit
Moonrise 5:27 PM Moonset 6:45 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low64° / 41°
Month to date2.25 in (normal 3.16 in)

Phoenixville 1 E, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in PHI, issued 5 hrs ago

What Has Changed

Issued Frost Advisories for portions of southeastern Pennsylvania, southern New Jersey, and Delmarva tonight where the growing season remains active.

Key Messages

1. One more round of frost impacts are expected tonight where the growing season continues.

2. Dry weather continues and above normal temperatures are expected for much of the week into the start of the weekend.

Discussion

KEY MESSAGE 1...One more round of frost impacts are expected tonight where the growing season continues.

Little change in the overall synoptic pattern continues as surface high pressure remains overhead. The high will begin to shift southward tonight allowing a light southwesterly return flow to develop. As a result, temperatures will begin to gradually moderate through Monday.

But before we reach the new week, one more round of chilly temperatures are expected tonight. Ideal radiational cooling conditions look to take place with light/calm winds and clear skies. NBM has been quite poor the past few days with the extent of radiational cooling, so have blended in some colder and better performing guidance over the past couple of nights (MOS/NBM10). This should allow most of the area to again see lows mainly in the mid 30s to low 40s around the region. Have issued one more set of Frost Advisories, mainly across extreme southern New Jersey and the Delmarva where the growing season remains active. Some areas of patchy shallow ground fog is also expected early Monday morning.

KEY MESSAGE 2...Dry weather continues and above normal temperatures are expected for much of the week into the start of the weekend.

As what has been the case for the past week or so, dry weather is expected to prevail over the next 5-7 days. However this time, above-normal temperatures for late October/early November are expected to be accompanied by this dry stretch.

Surface high pressure will largely be in control through much of the week, however there will be one dry cold front that is progged to cross through the area Monday night into Tuesday. From Tuesday and beyond, expansive high pressure is expected to dominate as upper level ridging develops over the majority of the Central-Eastern CONUS with positive 500 mb anomalies.

Aviation

The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Today...VFR/SKC. Southwest winds around 3-6 kt. High confidence.

Tonight...VFR/SKC. A few areas of localized patchy ground fog is possible after 09Z, especially at RDG and MIV so have included a brief tempo group. Winds light and variable to at times calm. High confidence overall, lesser confidence in where areas of ground fog may develop.

Monday...VFR/SKC. West-northwest winds around 5-10 kt. High confidence.

Outlook...

Monday night through Friday...VFR. No significant weather expected.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use. How to use Weather